<template>
  <div>
    <child>
      <template v-slot:one="{ msg }">
        <div>{{ msg }}</div>
        <div>{{ ccc }}</div>
      </template>
    </child>
  </div>
</template>
<script>
import child from '../../components/HelloWorld'
export default {
  components: { child },
  data() {
    return {
      ccc: '这是父组件'
    }
  }
}
</script>
